often made of concrete, brick, or wood, are for crash safety or privacy. But those walls were actually constructed for noise reduction. More from Transportation Most people think that the walls ...

In this system, insulation and reinforcing steel are placed inside removable wall forms made of aluminum, wood or steel. Concrete is then poured into the forms. Once the concrete has cured ...

A 14-foot-tall concrete wall ... challenge: noise. Located on a 3/4-acre corner lot on a busy Menlo Park street across from a school, the home incorporates a sound wall into its design to block ...

often made of concrete, brick, or wood, are for crash safety or privacy. But those walls were actually constructed for noise reduction. More from Transportation Most people think that the walls ...